5JEB:
reference: Overcoming resistance to HER2 inhibitors through state-specific kinase binding., Novotny CJ, Pollari S, Park JH, Lemmon MA, Shen W, Shokat KM, Nat Chem Biol. 2016 Sep 5. doi: 10.1038/nchembio.2171. PMID: 27595329

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).